diff --git a/core/java/android/security/keymaster/KeymasterDefs.java b/core/java/android/security/keymaster/KeymasterDefs.java
index b450a6b0f8313..6e40c6cf8c432 100644
--- a/core/java/android/security/keymaster/KeymasterDefs.java
+++ b/core/java/android/security/keymaster/KeymasterDefs.java
@@ -92,12 +92,10 @@ public final class KeymasterDefs {
     public static final int KM_ALGORITHM_HMAC = 128;
 
     // Block modes.
-    public static final int KM_MODE_FIRST_UNAUTHENTICATED = 1;
-    public static final int KM_MODE_ECB = KM_MODE_FIRST_UNAUTHENTICATED;
+    public static final int KM_MODE_ECB = 1;
     public static final int KM_MODE_CBC = 2;
-    public static final int KM_MODE_CTR = 4;
-    public static final int KM_MODE_FIRST_AUTHENTICATED = 32;
-    public static final int KM_MODE_GCM = KM_MODE_FIRST_AUTHENTICATED;
+    public static final int KM_MODE_CTR = 3;
+    public static final int KM_MODE_GCM = 32;
 
     // Padding modes.
     public static final int KM_PAD_NONE = 1;